Michael Portillo travels from Jodhpur to Delhi, heading into the desert to take a camel ride to a village where life has changed little in centuries, before embarking on the Jaipur-Agra-Delhi 'Golden Triangle' tour - India's must-do itinerary in 1913 as today. Michael also visits Agra, where he learns how the Taj Mahal, built by a Mughal emperor, was restored by a British viceroy at the time of his Bradshaw's guide book